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Stebatec - Model LDM -Partially Filled Flow Measurement
The double-patented LDM partially filled ultrasonic transit time difference flow meter is a calibrated measuring device for backflow-free detection of wastewater volumes in open channels or in gravity pipes. 10 flow velocity measuring sections distributed over the entire cross section provide accurate flow values when the sensor is partially or fully filled. The level measurement is integrated in the device housing.
Versatile system
The contamination-resistant system is suitable for water, rainwater, sewage, raw sewage as well as biologically and chemically contaminated waste water, as well as suitable for media with variable conductivity. The powerful measuring device measures even the smallest filling levels extremely reliably.
Quick and easy assembly
The LDM is available without flanges and is clamped between two pipes with bolts / threaded rods. This versatile measuring device does not need to be calibrated on site, as the calibration is done completely at the manufacturing site.
The LDM system is available from DN150 to DN1200 and is very resistant to abrasion and chemicals. All relevant elements of the robust construction have an ATEX approval (zone 1).
Flow measurement at the highest level
- The system measures even the smallest filling levels with the highest reliability. 10 flow velocity measuring sections distributed over the entire cross section ensure maximum precision in flow measurement.
Different device variants
The LDM has the following device variants:
- Different nominal sizes (see also product documentation, section 4.1 “Dimensions and weights”)
- As part of a PNA (pneumatic discharge control from Stebatec)
- As measuring point without connection to a PNA
Precise and extremely robust system
- Dirt-resistant system
- Measures even the smallest filling levels extremely reliably
- Contamination monitoring and reporting
- Transparent measurement chain from raw values to flow calculation
- Rugged construction
- Very resistant to abrasion and chemicals
- Does not have to be calibrated on site, as calibration is already done at the manufacturing site
Why LDM meets the highest requirements
- can be used in partially filled pipes in the water and wastewater industry
- Available from DN150 to DN1200
- Possesses high resistance to abrasion and chemicals
- No impairment due to variability of the electrical conductivity of the medium
- Measures from 26.1 mm filling height
- Does not have to be calibrated on site, as calibration is completely done at the manufacturing site
- Rugged construction
- IP 66(IP 67 in preparation)
- ATEX Zone 1
- Power supply 24 V DC
Suitable for
- Water
- Rainwater
- Wastewater
- Raw wastewater
- Biologically and chemically contaminated waste water